From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: usb: dwc3: Prevent indefinite sleep in _dwc3_set_mode during suspend/resume From: Felipe Balbi Message-Id: <87po4i3o1v.fsf@linux.intel.com> Date: Mon, 05 Mar 2018 10:49:00 +0200 To: Roger Quadros Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org List-ID: SGksCgpSb2dlciBRdWFkcm9zIDxyb2dlcnFAdGkuY29tPiB3cml0ZXM6Cj4+IFJvZ2VyIFF1YWRy b3MgPHJvZ2VycUB0aS5jb20+IHdyaXRlczoKPj4+IEluIHRoZSBmb2xsb3dpbmcgdGVzdCB3ZSBn ZXQgc3R1Y2sgYnkgc2xlZXBpbmcgZm9yZXZlciBpbiBfZHdjM19zZXRfbW9kZSgpCj4+PiBhZnRl ciB3aGljaCBkdWFsLXJvbGUgc3dpdGNoaW5nIGRvZXNuJ3Qgd29yay4KPj4+Cj4+PiBPbiBkcmE3 LWV2bSdzIGR1YWwtcm9sZSBwb3J0LAo+Pj4gLSBMb2FkIGdfemVybyBnYWRnZXQgZHJpdmVyIGFu ZCBlbnVtZXJhdGUgdG8gaG9zdAo+Pj4gLSBzdXNwZW5kIHRvIG1lbQo+Pj4gLSBkaXNjb25uZWN0 IFVTQiBjYWJsZSB0byBob3N0IGFuZCBjb25uZWN0IG90ZyBjYWJsZSB3aXRoIFBlbiBkcml2ZSBp biBpdC4KPj4+IC0gcmVzdW1lIHN5c3RlbQo+Pj4gLSB3ZSBzbGVlcCBpbmRlZmluaXRlbHkgaW4g X2R3YzNfc2V0X21vZGUgZHVlIHRvLgo+Pj4gICBkd2MzX2dhZGdldF9leGl0KCktPnVzYl9kZWxf Z2FkZ2V0X3VkYygpLT51ZGNfc3RvcCgpLT4KPj4+IAlkd2MzX2dhZGdldF9zdG9wKCktPndhaXRf ZXZlbnRfbG9ja19pcnEoKQo+Pj4KPj4+IExldCdzIGNsZWFyIHRoZSBEV0MzX0VQX0VORF9UUkFO U0ZFUl9QRU5ESU5HIGZsYWcgb24gYWxsIGVuZHBvaW50cwo+Pj4gc28gd2UgZG9uJ3Qgd2FpdCBp biBkd2MzX2dhZGdldF9zdG9wKCkuCj4+Pgo+Pj4gU2lnbmVkLW9mZi1ieTogUm9nZXIgUXVhZHJv cyA8cm9nZXJxQHRpLmNvbT4KPj4+IC0tLQo+Pj4gIGRyaXZlcnMvdXNiL2R3YzMvZ2FkZ2V0LmMg fCAxNCArKysrKysrKysrKysrKwo+Pj4gIDEgZmlsZSBjaGFuZ2VkLCAxNCBpbnNlcnRpb25zKCsp Cj4+Pgo+Pj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvdXNiL2R3YzMvZ2FkZ2V0LmMgYi9kcml2ZXJz L3VzYi9kd2MzL2dhZGdldC5jCj4+PiBpbmRleCAyYmRhNGViLi4wYTM2MGRhIDEwMDY0NAo+Pj4g LS0tIGEvZHJpdmVycy91c2IvZHdjMy9nYWRnZXQuYwo+Pj4gKysrIGIvZHJpdmVycy91c2IvZHdj My9nYWRnZXQuYwo+Pj4gQEAgLTMyNzMsNiArMzI3MywyMCBAQCBpbnQgZHdjM19nYWRnZXRfaW5p dChzdHJ1Y3QgZHdjMyAqZHdjKQo+Pj4gIAo+Pj4gIHZvaWQgZHdjM19nYWRnZXRfZXhpdChzdHJ1 Y3QgZHdjMyAqZHdjKQo+Pj4gIHsKPj4+ICsJaW50IGVwbnVtOwo+Pj4gKwl1bnNpZ25lZCBsb25n IGZsYWdzOwo+Pj4gKwo+Pj4gKwlzcGluX2xvY2tfaXJxc2F2ZSgmZHdjLT5sb2NrLCBmbGFncyk7 Cj4+PiArCWZvciAoZXBudW0gPSAyOyBlcG51bSA8IERXQzNfRU5EUE9JTlRTX05VTTsgZXBudW0r Kykgewo+Pj4gKwkJc3RydWN0IGR3YzNfZXAgICpkZXAgPSBkd2MtPmVwc1tlcG51bV07Cj4+PiAr Cj4+PiArCQlpZiAoIWRlcCkKPj4+ICsJCQljb250aW51ZTsKPj4+ICsKPj4+ICsJCWRlcC0+Zmxh Z3MgJj0gfkRXQzNfRVBfRU5EX1RSQU5TRkVSX1BFTkRJTkc7Cj4+PiArCX0KPj4+ICsJc3Bpbl91 bmxvY2tfaXJxcmVzdG9yZSgmZHdjLT5sb2NrLCBmbGFncyk7Cj4+PiArCj4+PiAgCXVzYl9kZWxf Z2FkZ2V0X3VkYygmZHdjLT5nYWRnZXQpOwo+Pj4gIAlkd2MzX2dhZGdldF9mcmVlX2VuZHBvaW50 cyhkd2MpOwo+PiAKPj4gZnJlZSBlbmRwb2ludHMgaXMgYSBiZXR0ZXIgcGxhY2UgZm9yIHRoaXMu IEl0J3MgYWxyZWFkeSBnb2luZyB0byBmcmVlCj4+IHRoZSBtZW1vcnkgYW55d2F5LiBNaWdodCBh cyB3ZWxsIGNsZWFyIGFsbCBmbGFncyB0byAwIHRoZXJlLgo+PiAKPgo+IEJ1dCBpdCB3b24ndCBz b2x2ZSB0aGUgZGVhZGxvY2sgaXNzdWUuIFNpbmNlIGR3YzNfZ2FkZ2V0X2ZyZWVfZW5kcG9pbnRz KCkKPiBpcyBjYWxsZWQgYWZ0ZXIgdXNiX2RlbF9nYWRnZXRfdWRjKCkgYW5kIHRoZSBkZWFkbG9j ayBoYXBwZW5zIHdoZW4KPgo+IHVzYl9kZWxfZ2FkZ2V0X3VkYygpLT51ZGNfc3RvcCgpLT5kd2Mz X2dhZGdldF9zdG9wKCktPndhaXRfZXZlbnRfbG9ja19pcnEoKQo+Cj4gYW5kIERXQzNfRVBfRU5E X1RSQU5TRkVSX1BFTkRJTkcgZmxhZyBpcyBzZXQuCgppbmRlZWQuIEl0ZXJhdGluZyB0d2ljZSBv dmVyIHRoZSBlbnRpcmUgZW5kcG9pbnQgbGlzdCBzZWVtcwp3YXN0ZWZ1bC4gUGVyaGFwcyB3ZSBq dXN0IHNob3VsZG4ndCB3YWl0IHdoZW4gcmVtb3ZpbmcgdGhlIFVEQyBzaW5jZQp0aGF0J3MgZXNz ZW50aWFsbHkgd2hhdCB0aGlzIHBhdGNoIHdpbGwgZG8sIHJpZ2h0PyBJZiB5b3UgY2xlYXIgdGhl IGZsYWcKYmVmb3JlIGNhbGxpbmcgLT51ZGNfc3RvcCgpLCB0aGlzIG1lYW5zIHRoZSBsb29wIGlu IGR3YzNfZ2FkZ2V0X3N0b3AoKQp3aWxsIGRvIG5vdGhpbmcuIE1pZ2h0IGFzIHdlbGwgcmVtb3Zl IGl0Lgo=